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Database Release Schedule

FMS Navigation Database

Updates for your subscription areas are distributed on a 28-day cycle and are available to either be shipped directly to your location, or conveniently downloaded from UniNet approximately 14 days prior to the effective date.

Cycle	Approximate Release Date	Effective Date

2211	20-Oct-2022	3-Nov-2022
2212	17-Nov-2022	1-Dec-2022
2213	15-Dec-2022	29-Dec-2022
2301	12-Jan-2023	26-Jan-2023
2302	9-Feb-2023	23-Feb-2023
2303	9-Mar-2023	23-Mar-2023
2304	6-Apr-2023	20-Apr-2023
2305	4-May-2023	18-May-2023
2306	1-Jun-2023	15-Jun-2023
2307	29-Jun-2023	13-Jul-2023
2308	27-Jul-2023	10-Aug-2023
2309	24-Aug-2023	7-Sep-2023
2310	21-Sep-2023	5-Oct-2023
2311	19-Oct-2023	2-Nov-2023
2312	16-Nov-2023	30-Nov-2023
2313	14-Dec-2023	28-Dec-2023
2401	11-Jan-2024	25-Jan-2024

TAWS & Vision-1 Airport

Cycle	Approximate Release Date	Effective Date

2211	20-Oct-2022	3-Nov-2022
2212	17-Nov-2022	1-Dec-2022
2213	15-Dec-2022	29-Dec-2022
2301	12-Jan-2023	26-Jan-2023
2302	9-Feb-2023	23-Feb-2023
2303	9-Mar-2023	23-Mar-2023
2304	6-Apr-2023	20-Apr-2023
2305	4-May-2023	18-May-2023
2306	1-Jun-2023	15-Jun-2023
2307	29-Jun-2023	13-Jul-2023
2308	27-Jul-2023	10-Aug-2023
2309	24-Aug-2023	7-Sep-2023
2310	21-Sep-2023	5-Oct-2023
2311	19-Oct-2023	2-Nov-2023
2312	16-Nov-2023	30-Nov-2023
2313	14-Dec-2023	28-Dec-2023
2401	11-Jan-2024	25-Jan-2024

TAWS & Vision-1 Terrain

The TAWS & Vision-1 Terrain Databases are updated as-needed. The most recent release is 1401, effective 21 Oct 2014 as described in SB3630.

TAWS Obstacle

The TAWS Obstacle Databases are released four times per year, approximately every 84 days.

Release Number	Approximate Release Date	Effective Date

RN2301	26-Jan-2023	26-Jan-2023
RN2302	20-Apr-2023	20-Apr-2023
RN2303	13-Jul-2023	13-Jul-2023
RN2304	5-Oct-2023	5-Oct-2023
RN2305	28-Dec-2023	28-Dec-2023

InSight Nav Reference, Obstacle & AMDB

Updates for your subscription areas are distributed on a 28-day cycle and are available for download approximately 14 days prior to the effective date. Databases are downloaded using the Data Download Tool (DDT).

Cycle	Approximate Release Date	Effective Date

2211	20-Oct-2022	3-Nov-2022
2212	17-Nov-2022	1-Dec-2022
2213	15-Dec-2022	29-Dec-2022
2301	12-Jan-2023	26-Jan-2023
2302	9-Feb-2023	23-Feb-2023
2303	9-Mar-2023	23-Mar-2023
2304	6-Apr-2023	20-Apr-2023
2305	4-May-2023	18-May-2023
2306	1-Jun-2023	15-Jun-2023
2307	29-Jun-2023	13-Jul-2023
2308	27-Jul-2023	10-Aug-2023
2309	24-Aug-2023	7-Sep-2023
2310	21-Sep-2023	5-Oct-2023
2311	19-Oct-2023	2-Nov-2023
2312	16-Nov-2023	30-Nov-2023
2313	14-Dec-2023	28-Dec-2023
2401	11-Jan-2024	25-Jan-2024

InSight Terrain

The terrain database is released every 84 days. The contents are updated only as-needed, therefore download times will vary.

Release Number	Approximate Release Date	Effective Date

2201	16-Feb-2022	28-Jan-2015
2202	11-May-2022	28-Jan-2015
2203	3-Aug-2022	28-Jan-2015
2204	26-Oct-2022	28-Jan-2015
2301	18-Jan-2023	28-Jan-2015

InSight eChart

For the Jeppesen eChart Release Schedule see the "Terminal Chart Issue Date" section of their NavData Update and Effectivity Schedule.

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